/Engine/Source/Runtime/WebBrowser/Public/IWebBrowserWindow.h
typedef TBaseDelegate_FourParams< void, [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString), [FRequestHeaders](API\Runtime\WebBrowser\IWebBrowserWindow\FRequestHeaders) &, const bool > FOnBeforeResourceLoadDelegate